Out of place as a teacher? (5)
I believe the answer is:
amiss
'out of place' is the definition.
'a teacher?' is the wordplay.
'teacher?' becomes 'miss' (I've seen this in other clues).
'a'+'miss'='AMISS'
'as' is the link.
(Other definitions for amiss that I've seen before include "Unsuitable" , "Mistaken" , "Mistakenly" , "astray" , "(Gone) wrong" .)